You must use the technique the image was designed for to view it properly. Also, if the poster is designed for divergence and not convergence, and you cross your eyes to view the image, the image will be inside-out. If you stand too close to the poster, you may not be able to diverge your eyes enough to view the image. They require you to focus in front or behind the poster to see the image. The key to viewing stereograms and autostereograms is to either cross your eyes (converge) or diverge your eyes (the opposite of crossing – looking beyond the poster). It can be used to develop or strengthen binocular vision as well as some vision disorders. Stereograms and autostereograms are often used in vision therapy, since viewing the images requires the eyes to work well together.
With the development of computers, autostereograms began to be developed, which “hid” the image inside a seemingly abstract pattern.Ĭan you see the bee in this Magic Eye picture? These were very popular in the 19th and early 20th centuries as ways to “experience” other parts of the world without traveling there. When used with a special viewer like a stereoscope, or simply with crossed eyes, the pair of images converge into one 3D image. Autostereograms are based off of stereograms, which is a pair of images that are taken from slightly different angles. The abstract images are called autostereograms, also known by the brand name Magic Eye. There are some techniques you can practice that may help you to focus on the image, but first, let’s look at the history of these images and how they work. If you fall into the second camp, you probably get very frustrated as you look and look at the image and nothing materializes. Have you ever seen posters that look like computerized abstract art, and had someone tell you that there is really a recognizable 3D image in them? If so, you probably fall into one of two camps of people: those who can see the image, and those who can’t.
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